Carbide Gun Drill Blanks are also called deep hole drilling, representing the advanced and efficient hole processing technology. Not only can it be used to process deep holes, but also to process shallow holes. It is composed by the drill handle, drill pipe, drill three parts welded, the middle of it has a through hole, which suitable for drilling cast iron, carbon steel, copper, aluminum alloy, alloy steel. when the Gun drill wear, we must correct grinding timely, grinding must be sharpening in the universal cutting tool grinder or special grinding mill on the gun can be mounted on a special fixture, the optional size of about 120 resin diamond grinding wheel for grinding , Each sharpening only grinding the rear edge of the angle's inside and outside . Must ensure the correct position of geometric angle and blade.
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